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April 2001
 
=============================================================================
DATE:01-Apr-2001
DOY: 91
OPERATIONS ENGINEER(S): W. Hammond / B. Donaldson
SCIENTIST: A. Fludra
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operation
COMMENTS:
=============================================================================
DATE:02-Apr-2001
DOY: 92
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: W. Thompson
CDS INSTRUMENT:
  One run of FFCAL (NIS Flat Field Calibration) was completed at ~17:00 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operation
COMMENTS: An X17 Flare occurred at ~22:00 UT.
=============================================================================
DATE:03-Apr-2001
DOY: 93
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: W. Thompson
CDS INSTRUMENT:
  Due to the flare yesterday, the science plan was aborted at 2:52 UT and
  CDS was placed in a safe mode.  The science plan was resumed at 16:30 UT.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operation
COMMENTS:
=============================================================================
DATE:04-Apr-2001
DOY: 94
OPERATIONS ENGINEER(S): R. Yurow / C. Maroney
SCIENTIST: W. Thompson
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:05-Apr-2001
DOY: 95
OPERATIONS ENGINEER(S): R. Yurow / C. Maroney
SCIENTIST: W. Thompson
CDS INSTRUMENT: 
  A lubrication study was completed at 16:46 UT.
  The NIS was reset at 16:58 UT.  Due to problems discovered after the NIS
  reset, the science plan was aborted at 20:19 UT and cpt/UPDATE was run.
  The science plan was resumed at 20:55 UT.  Studies between 16:58 UT and
  20:19 UT were run using the wrong NIS readout mode and MCP voltage.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Lubrication Study, Science Operations
COMMENTS:
=============================================================================
DATE:06-Apr-2001
DOY: 96
OPERATIONS ENGINEER(S): R. Yurow / C. Maroney
SCIENTIST: W. Thompson
CDS INSTRUMENT: 
  A submode switch from submode 5 to submode 6 occured at 18:34 UT.  CDS is
  nominal after the submode switch.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:07-Apr-2001
DOY: 97
OPERATIONS ENGINEER(S): W. Hammond / B. Donaldson
SCIENTIST: W. Thompson
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:08-Apr-2001
DOY: 98
OPERATIONS ENGINEER(S): W. Hammond / B. Donaldson
SCIENTIST: W. Thompson
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:09-Apr-2001
DOY: 99
OPERATIONS ENGINEER(S): R. Yurow / C. Maroney
SCIENTIST: D. Zarro
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:10-Apr-2001
DOY: 100
OPERATIONS ENGINEER(S): C. Maroney
SCIENTIST: D. Zarro
CDS INSTRUMENT: 
  An NIS Setup Register A Failure system error was detected.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:11-Apr-2001
DOY: 101
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: D. Zarro
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:12-Apr-2001
DOY: 102
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: D. Zarro
CDS INSTRUMENT: 
  A VDS RESET was completed at 21:45UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:13-Apr-2001
DOY: 103
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: D. Zarro
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:14-Apr-2001
DOY: 104
OPERATIONS ENGINEER(S): W. Hammond / B. Donaldson
SCIENTIST: D. Zarro
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:15-Apr-2001
DOY: 105
OPERATIONS ENGINEER(S): R. Yurow / B. Donaldson
SCIENTIST: D. Zarro
CDS INSTRUMENT: 
  A parity error was detected in the secondary (science) processor memory
  space.  
  The science plan was aborted and CDS placed in a safe mode (NIS HV disabled)
  at 17:01 UT due to an ongoing proton storm.  As an additional precaution,
  all of the GIS HVs were disabled at 21:56 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS: An X14 flare occured at 13:19 UT
=============================================================================
DATE:16-Apr-2001
DOY: 106
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Young
CDS INSTRUMENT: 
  The Science Plan was resumed at 17:30 UT after Proton Counts had dropped
down to a safe level.
  The Secondary Process was Reset at 21:21 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:17-Apr-2001
DOY: 107
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Young
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:18-Apr-2001
DOY: 108
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Young
CDS INSTRUMENT: 
  After monitoring Increasing Proton Activity, the Science Plan was aborted 
at 06:54 UT.  And NIS and GIS High Voltages were DISABLED at 07:00 UT.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:19-Apr-2001
DOY: 109
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Young
CDS INSTRUMENT: Nominal.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:20-Apr-2001
DOY: 110
OPERATIONS ENGINEER(S): C. Maroney
SCIENTIST: A. Young
CDS INSTRUMENT: Nominal.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:21-Apr-2001
DOY: 111
OPERATIONS ENGINEER(S): W. Hammond / B. Donaldson
SCIENTIST: A. Young
CDS INSTRUMENT: Nominal.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:22-Apr-2001
DOY: 112
OPERATIONS ENGINEER(S): C. Maroney
SCIENTIST: A. Young
CDS INSTRUMENT: Nominal.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:23-Apr-2001
DOY: 113
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.  
CDS GROUND SYSTEM: 
  cdso8 was rebooted at about 21:50UT due to admin problems.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:24-Apr-2001
DOY: 114
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: 
  A parity error was detected on the Secondary Processor
at address #800709c7.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:25-Apr-2001
DOY: 115
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:26-Apr-2001
DOY: 116
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: 
  A VDS Register A Failure was detected.  
CDS GROUND SYSTEM: 
  The following studies were imported to the EOF:
	fw_ctxt_1.def
	fw_fast_1.def
DAY PLAN: Science Operations
COMMENTS:
=============================================================================
DATE:27-Apr-2001
DOY: 117
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: 
  A Mechanism Lube was completed at 19:38UT.
  VDS and Secondary Processor were rebooted at 20:00UT.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Mechanism Lube, Science Operations
COMMENTS: Reboot VDS/Secondary (time permitting)
=============================================================================
DATE:28-Apr-2001
DOY: 118
OPERATIONS ENGINEER(S): W. Hammond / B. Donaldson
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS: 
=============================================================================
DATE:29-Apr-2001
DOY: 119
OPERATIONS ENGINEER(S): W. Hammond / B. Donaldson
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS: 
=============================================================================
DATE:30-Apr-2001
DOY: 120
OPERATIONS ENGINEER(S): W. Hammond / B. Donaldson
SCIENTIST: A. Fludra
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations
COMMENTS: 
=============================================================================


From the CDS Operations Management Team in the Space Science & Technology Department at CCLRC Rutherford Appleton Laboratory
Site maintained by John Rainnie.
Last revised on Friday ( 7/Sep/2001) at 14:11.